A. if angle sut is 39∘, what does that tell us about angle tuv? what arc measure describes arc vts? how can we make any assertions about these angle and arc measures? '
b. which line segments’ length can be calculated based on knowing the radius length? explain.
c. if angle mop is 49∘, which other angle measures can we calculate? what arc measures can we calculate? describe which concepts allow us to make these calculations.

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step-by-step explanation:

answer:   35 % is the probability of a late departure or an early arrival.

step-by-step explanation:

let l represents the late departure and e represents the early departure.

then, according to the question,

p(l) = 12 %,   p(e) = 27 % and = 4 %

and, we have to find out,

but, we know that,

which is the required equation that will use to find the probability of a late departure or an early departure.

therefore,   the probability of a late departure or an early arrival =   35 %

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discount would be 35% off

step-by-step explanation: